The temblor happened at 10:34 a.m. Atlantic time about 4 miles southwest of Tallaboa, Puerto Rico, data from the agency shows ...
United States Geological Survey scientists have shared maps that show where ash would fall across the US if a Yellowstone ...
A series of earthquakes has rattled the Pacific Northwest in recent weeks, raising concerns. A local expert says it's nothing ...
Southern California experienced 15 seismic sequences with at least one magnitude 4 or higher earthquake — the highest total ...